What's the difference between undo and untie?

Undo


Definition:

  • (v. t.) To reverse, as what has been done; to annul; to bring to naught.
  • (v. t.) To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
  • (v. t.) To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like; as, many are undone by unavoidable losses, but more undo themselves by vices and dissipation, or by indolence.

Example Sentences:

  • (1) We cannot undo the damage it ha€™s done to our air quality,” she said.
  • (2) I am not a Muslim but I see that the cover has been read as yet more provocation, even an undoing of the unity of the marches in Paris and other cities.
  • (3) Amid public outcry over the Bettencourt case, Sarkozy is now likely to be forced into a U-turn before the next election, undoing his tax reforms.
  • (4) His interventions over the next week - first with the miners then with his former army colleagues as hundreds of thousands took to the streets of Belgrade - would prove his ex-master's undoing.
  • (5) He told the chair, Alexis Jay: “We will never be able to undo the wrongdoing to these children.
  • (6) But the role opened my eyes to certain aspects of online gaming, such as harassment, abuse, threats and even stalking, and in many ways, it is an unhappy experience that I wish I could undo.
  • (7) With three weeks left to election day, the onus is on Obama to mount a strong comeback in Tuesday's Long Island debate to undo some of the damage caused by his dismal showing in the first of the presidential debates in Denver a fortnight ago.
  • (8) Obama won praise from world leaders for his promises to undo George Bush's environmental record, but there is growing scepticism abroad that Democrats will be able to overcome opposition in Congress and pass legislation that would put America on a path to cutting its carbon emissions.
  • (9) Arab regional governments – and even Iran – have belatedly seen their own storm clouds of extremism, but there is tremendous work required to undo what has been done.
  • (10) All efforts to undo environmental protections put in place by Obama, he said, would face lengthy and compulsory processes of consultation and review, as well as the strongest possible legal challenges at every turn.
  • (11) President-elect Trump will be able to undo the programs and cast them into the dustbin of history with equal speed and ease.
  • (12) Against the top sides England will leak goals, and that will ultimately be our undoing.
  • (13) He is praised for responding to a chemical attack in Syria with airstrikes, for generally projecting strength in foreign policy, for undoing Obama-era regulations on the environment and business, for installing a conservative supreme court justice, for protecting American jobs, and for not letting people tell him what he can’t do.
  • (14) Now Google might be required to undo the changes – although Auke Haagsma, a lawyer advising the lobby group Icomp , which is critical of Google's policies, said that would be like trying to "unscramble the egg".
  • (15) The projected increase in 2016 would return poverty rates to their 2007 levels, undoing nearly a decade’s worth of gains,” the report stated.
  • (16) Labour cannot afford to undo the coalition's cuts in the next government and must expect to be unpopular, one of the party's most senior finance spokesmen will say on Friday.
  • (17) Jeremy’s main fault was his unfortunate choice of friends – notably Peter Bessell MP, who jointly and foolishly entered into the long-running payoff drama with Scott which was his undoing.
  • (18) It has helped cement Qatar’s international reach and legitimacy, yet ironically has now played a part in its undoing.
  • (19) The former Irish prime minister John Bruton says it would “undo much of the work of the peace process and create huge questions over borders and labour market access”.
  • (20) The author examines how these negative affects, the accompanying victim role, and oppositional defiance enable angry adolescents to defend against depression and loss, to demand nurturance from others, to protect their precarious inner autonomy, and to undo their humiliation and shame by vengeance and reversal.

Untie


Definition:

  • (v. t.) To loosen, as something interlaced or knotted; to disengage the parts of; as, to untie a knot.
  • (v. t.) To free from fastening or from restraint; to let loose; to unbind.
  • (v. t.) To resolve; to unfold; to clear.
  • (v. i.) To become untied or loosed.

Example Sentences:

  • (1) We're simply untying heads' hands so they can spend the money as they see fit.
  • (2) Eight of 9 Mute swans (Cygnus olor) untied in the river acrossing the central part of Tottori-city died within the period of 40 days of summer in 1989.
  • (3) 1.28am BST Heat 15-20 Spurs, 3:53 remaining in 1st quarter Tony Parker sneaks through two defenders to untie it.
  • (4) LD may be used to follow the complexation both stoichmetrically and structurally, since when specified to unti complex concentration LD provides a measure of the average orientation of the absorbing transition dipole.
  • (5) The donor heart is transplanted heterotopically into the recipient with the brachiocephalic artery anastomosed to the renal artery with 10 single sutures, and the pulmonary artery to the renal vein with 2 continuous, semicircular sutures which were left untied.
  • (6) In both experiments, bonding to each other of both tied and untied specimens was observed one month after implantation.
  • (7) The EU changed its food aid policy in 1996, shifting to cash donations, and Canada fully untied its food aid budget in 2008 – a move commended internationally, including by the Organisation for Economic Co-operation and Development.
  • (8) The holding power of many of the knots that untied was substantially less than that of knots reaching knot break.
  • (9) On the 20th realimentation day, the absolute red cell volume had increased less than the absolute plasma volume, the total blood volume was almost normal per unti of body size.
  • (10) In our series of 42 patients who underwent adjustable-suture surgery, 22 cases were not adjusted and 30 cases were left untied.
  • (11) When one of the soldiers wanted to have sex with one of us, he would come and untie us, take us away then bring us back to tie up,” said Nyabol, shaking at the memory.
  • (12) Most other donors have "untied" their food aid budgets and have shifted towards buying food closer to where it is needed, on the basis that it is cheaper, faster and easier to find food local people are used to eating.
  • (13) Furthermore, no knot has come untied or developed other complications.
  • (14) By passing a spring guidewire into the catheter under fluoroscopic control, the knot was easily untied leaving the catheter correctly in place.
  • (15) An unrelated second pair of repeat sequences was located at 0.67 and 0.88 map untis.
  • (16) They called for a scaling up of aid commitments, for concrete timetables for reaching the commitments, and for improving the quality of aid, including full untying of aid (lifting requirements by some donors that aid be spent on goods and services provided by companies based in their own countries, or a limited number of countries).
  • (17) Multilaterals benefit from having greater independence from immediate political considerations; their aid is untied and much less fragmented, and their larger projects reduce the administrative burden on recipients.
  • (18) The affair did leave some positive legacies: a cross-party consensus that aid should be officially "untied" from commercial interests, a new act enshrining in law its poverty reduction focus, and a cabinet minister for the new Department for International Development (DfID).
  • (19) Standing with the cheering crowds by the finish line on Monday, Liliana’s mother Nancy said that only “little things” – a red traffic light, an untied shoelace – prevented them from being right where Richard was killed that day.
  • (20) the heat quantity generated by the tumour per untis of volume and time, computed from from intramammary temperature and thermal conductivity measurements made using of fluvographic needle probes), is typical of each cancer and re7ains remarkably constant during the growth in spite of themorphological and of the morphological and circulatory changes; b) the tumour doubling time tau2v (calculated from measurements of the tumour size effected at various stages of the evolution by assuming an exponential growth), is univocally related to 1 by a hyperbolic law so that the faster the tumour is growing themore heat generates; c) q is significanty higher and tau2v shorter in all cases where the histological examination has revealed signs of lymphatic dissemination (carcinomatous lymphangitis, lymph node metastases,...).

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